Merge branch 'printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 914918abfdd122a5bf9a6c564fd7c41693917c9b..cff58e288a225bcd668a0dc482c00e62cb19c8a8 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -242,6 +242,20 @@ extern struct ratelimit_state printk_ratelimit_state;
 extern int printk_ratelimit(void);
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
                                   unsigned int interval_msec);
+
+/*
+ * Print a one-time message (analogous to WARN_ONCE() et al):
+ */
+#define printk_once(x...) ({                   \
+       static int __print_once = 1;            \
+                                               \
+       if (__print_once) {                     \
+               __print_once = 0;               \
+               printk(x);                      \
+       }                                       \
+})
+
+void log_buf_kexec_setup(void);
 #else
 static inline int vprintk(const char *s, va_list args)
        __attribute__ ((format (printf, 1, 0)));
@@ -253,6 +267,13 @@ static inline int printk_ratelimit(void) { return 0; }
 static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
                                          unsigned int interval_msec)   \
                { return false; }
+
+/* No effect, but we still get type checking even in the !PRINTK case: */
+#define printk_once(x...) printk(x)
+
+static inline void log_buf_kexec_setup(void)
+{
+}
 #endif
 
 extern int printk_needs_cpu(int cpu);
@@ -353,6 +374,8 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info(fmt, ...) \
         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_cont(fmt, ...) \
+       printk(KERN_CONT fmt, ##__VA_ARGS__)
 
 /* If you are writing a driver, please use dev_dbg instead */
 #if defined(DEBUG)
@@ -379,18 +402,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
        ((unsigned char *)&addr)[3]
 #define NIPQUAD_FMT "%u.%u.%u.%u"
 
-#if defined(__LITTLE_ENDIAN)
-#define HIPQUAD(addr) \
-       ((unsigned char *)&addr)[3], \
-       ((unsigned char *)&addr)[2], \
-       ((unsigned char *)&addr)[1], \
-       ((unsigned char *)&addr)[0]
-#elif defined(__BIG_ENDIAN)
-#define HIPQUAD        NIPQUAD
-#else
-#error "Please fix asm/byteorder.h"
-#endif /* __LITTLE_ENDIAN */
-
 /*
  * min()/max()/clamp() macros that also do
  * strict type-checking.. See the